Home / 7,528.33-10,390.40-4,341.05

Finding the Fourth Proportional to 7,528.33, 10,390.40 and 4,341.05

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Solution

The fourth proportional to 7,528.33, 10,390.40 and 4,341.05 is: 5,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.33 : 10,390.40 = 4,341.05 : x
  2. Step 2: Convert to fraction form
    7,528.33/10,390.40 = 4,341.05/x
  3. Step 3: Cross multiply
    7,528.33x = 10,390.40 × 4,341.05
  4. Step 4: Simplify right side
    7,528.33x = 45,105,245.92
  5. Step 5: Solve for x
    x = 45,105,245.92/7,528.33
  6. Step 6: Final answer
    x = 5,991.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.